APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Sonified: The Jellyfish Nebula Supernova Remnant
Explanation: What does a supernova remnant sound like? Although sound is a compression wave in matter and does not carry into empty space , interpretive sound can help listeners appreciate and understand a visual image of a supernova remnant in a new way. Recently, the Jellyfish Nebula ( IC 443 ) has been sonified quite creatively. In the featured sound-enhanced video , when an imaginary line passes over a star, the sound of a drop falling into water is played, a sound particularly relevant to the nebula's aquatic namesake . Additionally, when the descending line crosses gas that glows red, a low tone is played, while green sounds a middle tone, and blue produces a tone with a relatively high pitch . Light from the supernova that created the Jellyfish Nebula left approximately 35,000 years ago, when human ity was in the stone age . The nebula will slowly disperse over the next million years, although the explosion also created a dense neutron star which will remain indefinitely.
| Date | March 25, 2024 |
|---|---|
| Credit | Image Credit: X-ray (blue): Chandra ( NASA ) & ROSAT ( ESA ); Optical (red): DSS ( NSF ); Radio (green): VLA ( NRAO , NSF ); Sonification: NASA , CXC , SAO , K. Arcand ; SYSTEM Sounds: M. Russo , A. Santaguida ) |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |


